Document Type and Number:
Japanese Patent JPS52130637
Kind Code:
U
Application Number:
JP3929676U
Publication Date:
October 04, 1977
Filing Date:
March 31, 1976
Export Citation:
International Classes:
H03F1/52; H03F1/00; H03F1/42; (IPC1-7): H03F1/00
Domestic Patent References:
| JPS392165Y1 |